Definition of "walk-up apartment" [walk-up apartment]

• An apartment in a building without an elevator (noun)

WordNet. Princeton University. 2010.

• "But whether I was meeting with two people or fifty, whether I was in one of the well-shaded, stately homes of the North Shore, a walk-up apartment on the West Side, or a farmhouse outside Bloomington, whether people were friendly, indifferent, or occasionally hostile, I tried my best to keep my mouth shut and hear what they had to say."